this derivation will be built:
  /nix/store/his8fhxgaa9f6ygjj2djs0ya70rgzs9g-treefmt-check.drv
building '/nix/store/his8fhxgaa9f6ygjj2djs0ya70rgzs9g-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 74 files
treefmt-check> emitted 49 files for processing
treefmt-check> formatted 49 files (0 changed) in 468ms